1200311102122 has 16 divisors (see below), whose sum is σ = 1978482272832. Its totient is φ = 541613501920.

The previous prime is 1200311102059. The next prime is 1200311102131. The reversal of 1200311102122 is 2212011130021.

It is a junction number, because it is equal to n+sod(n) for n = 1200311102096 and 1200311102105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199119598 + ... + 199125625.

It is an arithmetic number, because the mean of its divisors is an integer number (123655142052).

Almost surely, 2^{1200311102122} is an apocalyptic number.

1200311102122 is a deficient number, since it is larger than the sum of its proper divisors (778171170710).

1200311102122 is a wasteful number, since it uses less digits than its factorization.

1200311102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398245373.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1200311102122 its reverse (2212011130021), we get a palindrome (3412322232143).

The spelling of 1200311102122 in words is "one trillion, two hundred billion, three hundred eleven million, one hundred two thousand, one hundred twenty-two".